S;° Compound AH° (kJ/mol) (J/mol·K) NiO (s) -239.7 38.0 Ni (s) 29.9 NH3 (g) -46.0 192.5 N2 (g) 191.5 H2O (g) -241.8 188.7

Q: chapter 12:  9) What are ΔH°rxn, ΔS°rxn, and ΔG239.0 K for the following reactions at 239.0 K?…

A: Given Temperature = 239.0°K Compound ΔHºf (kJ/mol) Sº (J/mol • K)  H2S(g)  –20.17  205.6…

Q: For a particular reaction, Δ?=120.5 kJ/mol and Δ?=758.2 J/(mol·K). Calculate Δ? for this reaction at…

A: Given data is  ΔH = 120.5 KJ/mol = 120500 J/mol And ΔS = 758.2 J/mol.K Since ΔG = ΔH - TΔS where T =…

Q: Consider the following reaction for the production of hydrogen cyanide.  NH3 (g)  +   S(s) +   CH4…

A:

Q: The Second Law of Thermodynamics states, the entropy of the universe is always increasing, ∆Suni >…

A: A question about second law of thermodynamics, which is to be accomplished.

Q: The Second Law of Thermodynamics states, the entropy of the universe is always increasing, ∆Suni >…

A: Spontaneous Reactions: The reactions that occur spontaneously i.e without any addition of external…

Q: Define spontaneity of a reaction in terms of ∆G. Determine if a process is spontaneous based on…

A:

Q: How ΔGo is related to ΔHo and ΔSo . Illustrate by Equation ?

A: Given terms,    ΔGo , ΔHo and ΔSo  G - free energy H - enthalpy S - entropy

Q: Calculate ∆ Grxn° values for the following reactions at 298 K using the tabulated ∆ Gf° values. a)…

A: The chemical reactions given are  a) 2 Mg (s) + O2 (g) → 2MgO(s) −1138.6 kJ/mol b) 2 CH3OH (g) + 3…

Q: Calculate ΔS°rxn for the balanced chemical equation:2 H2S(g) + 3 O2(g)¡2 H2O(g) + 2 SO2(g)

A: The given reaction is: ∆S˚rxn for the reaction is given by:

Q: When ∆G is negative, a chemical reaction is   using up free energy   spontaneous   non-spontaneous…

A: ∆G is change in gibbs free energy.  Gibbs free energy determines the chemical energy of reaction.…

Q: Calculate the free energy change for the following reaction at 25°C. Is the reaction spontaneous at…

A: Given: ΔHrxn = −1269.8 kJ ΔSrxn=−364.6 J/K T = 25°C = 298 K

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N₂(g) + 3 H₂O(g) → 3 NiO(s) + 2 NH₃(g) If ∆H° =…

A: We are having the value of ∆H° = -85.7 kJ/mol and ∆S° = -348.3 J/mol.K We have to calculate the…

Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → →…

A:

Q: An example of a reaction where ∆G = 0 is   C(graphite)→C(diamond)   any synthesis reaction…

A: We know, The value of  ∆G = 0 when the reaction is at an equilibrium.

Q: Calculate the free energy change for this reaction at 25 °C. Determine if the reaction is…

A:

Q: Consider the following reaction at 25 °C: 5 SO₃(g) + 2 NH₃(g) → 2 NO(g) + 5 SO₂(g) + 3 H₂O(g) a)…

A: The standard enthalpy of the reaction is equal to the difference between the enthalpy of product and…

Q: Calculate the ∆Suni and determine whether the following reaction is spontaneous or nonspontaneous at…

A: Calculate the ΔH and the ΔS for the system   2N2H4(g) + 2NO2(g)→3N2(g) + 4H2O(l)and then ΔSuniv =…

Q: spontaneous

A:

Q: For a reaction in which ∆H = 76.2 kJ/mol and ∆S = 422 J/K mol, determine the temperature, in °C,…

A: We have the equation for Gibbs free energy as, ∆G = ∆H-T∆S Where, ∆G = change in Gibbs energy ∆H =…

Q: Use the data shown below, to calculate AH°rxn, AS°rxn, and AG°rxn at 25°C for the following…

A: The balanced reaction taking place is given as, => 3 H2 (g) + Fe2O3 (s) -------> 2 Fe (s) + 3…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

Q: Calculate the ∆H and ∆G for the following reactions at 25 degrees Celsius: Al2O3 (s) + 2Fe (s) —>…

A: Delta G is the change in Gibb's free energy and delta H is the change in entropy. Delta G increases…

Q: Determine the sign of ΔSsys for the following chemical reactions without doing any calculations. a)…

A: Note: As per the guidelines solution of first 3 parts has been made. For the expert solution of…

Q: Consider the following reaction at 25 °C: 5 SO₃(g) + 2 NH₃(g) → 2 NO(g) + 5 SO₂(g) + 3 H₂O(g) If ∆H°…

A:

Q: N2 (g) + 3H2 (g) → 2NH3 (g)   b Ag+ (aq) + Cl- (aq) → AgCl (s)   c CaO (s) + CO2 (g) → CaCO3 (s)…

A: In the above reaction  standard molar entropy of Gas is highert thanLiquids

Q: Octane 1C8H182 is a liquid hydrocarbon at room temperature that is a constituent of gasoline.…

A: We have the equation ∆G°=∆H°-T∆S° Where ∆H° is change in enthalpy, ∆G° is change in free energy, T…

Q: redict the sign of ΔS ̊ for the combustion of 1-propanol and justify your prediction. Would you…

A: Introduction: Gibbs free energy determine the maximum amount of work done in the system at constant…

Q: Predict the sign of ∆S in the system for each of the following reactions a. 2C6H14(l) +  19O2(g)  →…

A: How to determine sign of entropy  Sign of entropy of a chemical reaction determined by knowing the…